I can't seem to fix this. I'm really new at this, and this is driving me f**king crazy. Here is my code:

Code:
#include <stdio.h>
#include <stdlib.h>

double calculusx[1000];
double calculusy[1000];
double integral0i[1000];
double integrali999[1000];
double derivative[1000];
int i=0;



double Area0i(double[], double[]);
double Areai999(double[],
...